--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7034288024 dns-udp-queries-received-ipv6: 2319291723 dns-tcp-queries-received-ipv4: 383482745 dns-tcp-queries-received-ipv6: 122689894 dns-udp-responses-sent-ipv4: 6486321951 dns-udp-responses-sent-ipv6: 1973198013 dns-tcp-responses-sent-ipv4: 311596663 dns-tcp-responses-sent-ipv6: 95418193